Linear algebra extension tracking issue

[tomwhite]

This issue tracks the work needed to support the remaining linear algebra functions from the Python array API standard.

The current Cubed coverage status for the linalg extension can be found at https://github.com/cubed-dev/cubed/blob/main/api_status.md#linear-algebra-extension

• [ ] cholesky
• [ ] cross
• [ ] det
• [ ] diagonal
• [ ] eigh
• [ ] eigvalsh
• [ ] inv
• [ ] matrix_norm
• [ ] matrix_power
• [ ] matrix_rank
• [ ] pinv
• [ ] slogdet
• [ ] solve
• [ ] trace
• [ ] vector_norm